/*-
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    Licensed under the Apache License, Version 2.0 (the "License");
 *  *    you may not use this file except in compliance with the License.
 *  *    You may obtain a copy of the License at
 *  *
 *  *        http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  *    Unless required by applicable law or agreed to in writing, software
 *  *    distributed under the License is distributed on an "AS IS" BASIS,
 *  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  *    See the License for the specific language governing permissions and
 *  *    limitations under the License.
 *
 */

package org.deeplearning4j.util;

import java.io.DataInputStream;
import java.io.IOException;

public class ByteUtil {
    private ByteUtil() {}

    /**
     *
     * 
     * @param dis
     * @return
     * @throws IOException
     */
    public static String readString(DataInputStream dis, int maxSize) throws IOException {
        byte[] bytes = new byte[maxSize];
        byte b = dis.readByte();
        int i = -1;
        StringBuilder sb = new StringBuilder();
        while (b != 32 && b != 10) {
            i++;
            bytes[i] = b;
            b = dis.readByte();
            if (i == 49) {
                sb.append(new String(bytes));
                i = -1;
                bytes = new byte[maxSize];
            }
        }
        sb.append(new String(bytes, 0, i + 1));
        return sb.toString();
    }

}
